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Head to head · Prices checked Nov 7, 2026

Nuphy Air75 V3 Moonbow Edition vs Keychron S1

Get the Nuphy Air75 V3 Moonbow Edition for knob.

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Quick verdict

Which one should you get?

Get the

Nuphy Air75 V3 Moonbow Edition

Knob

Build quality in the top 35% of 75% boards under $150.

Rules this board out

  • Low-profile switches and keycaps only. Standard MX keycaps will not fit.
  • North-facing LEDs. Cherry-profile keycaps can hit the switch housing.

Get the

Keychron S1

Build quality in the top 10% of 75% boards under $100.

Rules this board out

  • Low-profile switches and keycaps only. Standard MX keycaps will not fit.
  • North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
  • No ISO layout. ISO-DE, UK, and other ISO variants are not offered.

What actually differs

The differences that matter

Skip the 40-row spec sheet. These are the specs that change how each board feels, sounds, and fits your desk.

Nuphy Air75 V3 Moonbow Edition

Keychron S1

  • Connection

    Bluetooth, 2.4 GHz, Wired

    Wired

    Wireless for several devices and wired for lower latency

  • Case material

    ABS, Aluminum

    Aluminum

  • Switch options

    Low-profile 3.0

    Clicky, Linear, Tactile

  • Mount style

    Gasket Mount

    Plate Mount, Tray Mount

  • Knob

    Yes

    No

KeebFinder scores

How we score
  • Nuphy Air75 V3 Moonbow Edition
  • Keychron S1
Performance
78
82
Build quality
74
82
Productivity
84
80
Customizability
79
89
Portability
82
65

What they share

  • Layout size: 75%
  • Hot-swappable
  • Low profile
  • Max polling rate: 1,000 Hz
  • Keycaps: PBT
See every spec side by side

Full specs

Nuphy Air75 V3 Moonbow Edition vs Keychron S1 specs

Every tracked spec, side by side. Rows marked with a dot differ between the boards.

15 of 27 specs differ

Nuphy Air75 V3 Moonbow Edition

Keychron S1

Typing & switches

Switch options

Low-profile 3.0
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Plate Mount, Tray Mount

Low profile

Yes
Yes

Sound dampening

Yes
No

Layout

Layout size

75%
75%

Layout standard

ANSI, ISO, ISO-DE, ISO-FR, ISO-UK, JIS
ANSI

Ergonomics

Standard
Standard

Knob

Yes
No

Display

LED
None

Media keys

Yes
Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Wired

Max polling rate

1,000 Hz
1,000 Hz

Battery

4,000 mAh
Wired only

USB-C

Yes
Yes

Build & materials

Case material

ABS, Aluminum
Aluminum

Plate material

Polycarbonate
Steel

Keycaps

PBT
PBT

Weight

724 g
960 g

Dimensions

13 x 319 x 129 mm
8 x 118 x 310 mm

Typing angle

10°
3°

Backlight

RGB, north-facing
RGB, north-facing

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2026
2022

For EU buyers

ISO layouts by store

Which stores sell ISO-DE, UK, and the other regional layouts.

Nuphy Air75 V3 Moonbow Edition

Listed on the product, not split by store: ISO-DE, ISO-UK, ISO-FR.

Keychron S1

No ISO layout at the stores we track.

Where to buy

Compare prices

Live prices from the stores we track, cheapest in-stock offer first.

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Lowest price across stores, Amazon excluded.

Keychron S14 stores

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